Utility || Description arch Print machine hardware name || nproc Print the number of processors base64 Base64 encode/decode strings or files || od Dump files in octal and other formats basename Strip directory and suffix from file names || paste Merge lines of files cat Concatenate files and print on the standard output || pathchk Check whether file names are valid or portable chcon Change SELinux context of file || pinky Lightweight finger chgrp Change group ownership of files || pr Convert text files for printing chmod Change permission modes of files || printenv Print all or part of environment chown Change user and group ownership of files || printf Format and print data chroot Run command or shell with special root directory || ptx Permuted index for GNU, with keywords in their context cksum Print CRC checksum and byte counts || pwd Print current directory comm Compare two sorted files line by line || readlink Display value of a symbolic link cp Copy files || realpath Print the resolved file name csplit Split a file into context-determined pieces || rm Delete files cut Remove parts of lines of files || rmdir Remove directories date Print or set the system date and time || runcon Run command with specified security context dd Convert a file while copying it || seq Print sequence of numbers to standard output df Summarize free disk space || setuidgid Run a command with the UID and GID of a specified user dir Briefly list directory contents || sha1sum Print or check SHA-1 digests dircolors Color setup for ls || shred Overwrite files and devices to make it harder to recover data dirname Strip suffix from file name || shuf Shuffle lines of text du Summarize disk usage || sleep Delay for a specified amount of time echo Write to the terminal || sort Sort lines of text (with all kinds of options) env Run a program in a modified environment || split Split a file into pieces expand Convert tabs to spaces || stat Display file or file system status expr Evaluate expressions || stdbuf Run a command with modified I/O stream buffering factor Print prime factors of n || stty Change and print terminal line settings false Exit with a status code indicating failure || su Run a shell with substitute user and group IDs fmt Simple text formatter || sum Checksum and count the blocks in a file fold Wrap each input line to fit in specified width || sync Synchronize data on disk with memory getlimits Print various platform dependent limits || tac Concatenate and print files in reverse groups Print the groups a user is in || tail Output the last part of file(s) head Output first part of file(s) || tee Read from standard input and write to standard output and files hostid Print numeric host identifier || test Check file types and compare values hostname Set or print the name of current host system || timeout Run a command with bounded time id Print real and effective UIDs and GIDs || touch Change modification and access times of files install Copy files and set attributes || tr A filter to translate characters join Join lines of two files on a common field || true Exit with a status code indicating success kill Send a signal to a process || truncate Truncate or extend the length of files link Create a hard link || tsort Topological sort ln Create links between files || tty Print the name of the terminal connected to standard input logname Print user's login name || uname Print system information ls List files || unexpand Convert blanks to tabs md5sum Compute checksums of files or strings || uniq Remove duplicate lines from a sorted file mkdir Make directories || unlink Remove files via the unlink syscall mkfifo Make fifos (named pipes) || uptime Print system uptime and load mknod Make a fifo, character file, or block file || users Print login names of users currently logged in mktemp Create a temporary file or directory, safely || vdir Verbosely list directory contents mv Move or rename files || wc Print the number of lines, words, and bytes in files nice Run a program with modified niceness || who Print who is currently logged in nl Number lines of files || whoami Print effective user ID nohup Run a command immune to hangups || yes Output a string repeatedly until killed
https://catonmat.net/projects/cheat-sheets